최신 1Z1-804日本語 무료덤프 - Oracle Java SE 7 Programmer II Exam (1Z1-804日本語版)

문제1

Given:

A. Option E

B. Option D

C. Option C

D. Option B

E. Option A

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제2

Given:

A. for (Direction d : Direction.values()){
//
}

B. for (Direction d : Direction.asList()){
//
}

C. for (Direction d : Direction.asArray()){
//
}

D. for (Direction d : Direction.iterator()){
//
}

정답: A

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문제3

A. class ThreadSafe {
synchronized static void soIt () {}
}

B. abstract class ThreadSafe {
synchronized abstract void doIt();
}

C. interface ThreadSafe {
synchronized void doIt();
}

D. enum ThreadSafe {
ONE, TWO, Three;
synchronized final void doIt () {}
}

정답: A

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문제4

A. FileWriter w = new FileWriter("/tmp/msg.txt");
append("Java 7");
close();

B. FileWriter w = new FileWriter("/tmp/msg.txt", Writer.MODE_APPEND);
append("Java 7");
close();

C. FileWriter w = new FileWriter("/tmp/msg.txt", true);
append("Java 7");
close();

D. FileWriter w = new FileWriter("/tmp/msg.txt", FileWriter.MODE_APPEND);
append("Java 7");
close();

정답: C

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문제5

A. class EmployeeDAO {
int getID() { return 0;}
Employee findByID (int id) { return null;}
void update () {}
void delete () {} }

B. interface EmployeeDAO {
int getID();
Employee findByID (intid);
void update();
void delete();
}

C. interface EmployeeDAO {
void create (Employee e);
void update (Employee e);
void delete (int id);
Employee findByID (int id);
}

D. interface EmployeeDAO {
void create (Connection c, Employee e);
void update (Connection c, Employee e);
void delete (Connection c, int id);
Employee findByID (Connection c, int id);
}

E. class EmployeeDAO {
void create (Employee e) {}
void update (Employee e) {}
void delete (int id) {}
Employee findByID (int id) {return id}
}

정답: C

문제6

A. Option E

B. Option D

C. Option C

D. Option B

E. Option A

정답: E

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문제7

public class Main {
public static void main(String... ag) {
Vehicle v = new SportsCar();
System.out.println(v.goes());
Tank t = (Tank) v;
System.out.println(t);
}
}
class Vehicle {
public String goes() {
return "goes ";
};
}
class SportsCar extends Vehicle {
public String goes() {
return "fast ";
};
}
class Tank extends Vehicle {
public String goes() {
return "slow ";
}; }